1a89f9ec27
This update extends the sitemap functionality to include taxonomy (category, tag, etc.) sitemaps for each enabled language. It introduces new rewrite rules, query vars, and handlers for taxonomy sitemaps, generates taxonomy sitemap index entries, and provides a function to output taxonomy sitemap XML with pagination. The default language set now includes 'zh-hk' in addition to 'zh-cn' and 'zh-tw'.
587 lines
20 KiB
PHP
Executable file
587 lines
20 KiB
PHP
Executable file
<?php
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add_action( 'init', 'wpcc_sitemap_init', 20 );
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function wpcc_sitemap_init() {
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global $wpcc_options;
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if ( isset($wpcc_options) && is_array($wpcc_options) && isset($wpcc_options['wpcco_use_sitemap']) && $wpcc_options['wpcco_use_sitemap'] == 1 ) {
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wpcc_sitemap_setup();
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}
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}
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function wpcc_sitemap_setup() {
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remove_action( 'init', 'wp_sitemaps_get_server' );
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add_filter( 'wp_sitemaps_enabled', '__return_false' );
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add_filter( 'rewrite_rules_array', 'wpcc_sitemap_rewrite_rules' );
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add_filter( 'query_vars', 'custom_sitemap_query_vars' );
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if ( ! get_option( 'wpcc_sitemap_rewrite_rules_flushed' ) ) {
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flush_rewrite_rules();
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update_option( 'wpcc_sitemap_rewrite_rules_flushed', '1' );
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}
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add_action( 'template_redirect', 'custom_sitemap_template_redirect', 9999 );
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}
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function wpcc_sitemap_rewrite_rules( $rules ) {
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global $wpcc_options;
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$langs = isset($wpcc_options['wpcc_used_langs']) && is_array($wpcc_options['wpcc_used_langs']) ? $wpcc_options['wpcc_used_langs'] : array('zh-cn','zh-tw','zh-hk');
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$langs = array_values(array_unique(array_filter($langs)));
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$pattern = implode('|', array_map('preg_quote', $langs));
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$new_rules = array();
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if ( $pattern !== '' ) {
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// 主网站地图索引
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$new_rules['^(' . $pattern . ')/wp-sitemap\.xml/?$'] = 'index.php?wpcc_sitemap_lang=$matches[1]';
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$new_rules['^(' . $pattern . ')/sitemap\.xml/?$'] = 'index.php?wpcc_sitemap_lang=$matches[1]';
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// 文章网站地图
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$new_rules['^sitemap-(' . $pattern . ')-(\d+)\.xml/?$'] = 'index.php?wpcc_sitemap_lang=$matches[1]&wpcc_sitemap_page=$matches[2]';
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// 分类网站地图
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$new_rules['^sitemap-taxonomy-([a-zA-Z0-9_]+)-(' . $pattern . ')-(\d+)\.xml/?$'] = 'index.php?wpcc_sitemap_lang=$matches[2]&wpcc_sitemap_taxonomy=$matches[1]&wpcc_sitemap_page=$matches[3]';
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}
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return array_merge( $new_rules, $rules );
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}
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function custom_sitemap_query_vars( $vars ) {
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$vars[] = 'wpcc_sitemap_lang';
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$vars[] = 'wpcc_sitemap_page';
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$vars[] = 'wpcc_sitemap_taxonomy';
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return $vars;
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}
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/**
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* 专门用于站点地图的URL转换函数
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* 与wpcc_link_conversion不同，这个函数会强制转换URL到指定语言，即使原URL已包含语言变体
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*/
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function wpcc_sitemap_link_conversion( $link, $variant ) {
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global $wpcc_options;
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if ( empty( $variant ) || empty( $link ) ) {
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return $link;
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}
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// 获取原始URL（去除所有语言变体）
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$original_link = wpcc_remove_language_from_url( $link );
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$style = (int) ( $wpcc_options['wpcc_use_permalink'] ?? 0 );
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$permalinks_enabled = (string) get_option( 'permalink_structure' ) !== '';
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// 当 WP 未启用固定链接时，使用查询参数
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if ( ! $permalinks_enabled || $style === 0 ) {
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return add_query_arg( 'variant', $variant, $original_link );
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}
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// Split path and query
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$qpos = strpos( $original_link, '?' );
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$path = $qpos !== false ? substr( $original_link, 0, $qpos ) : $original_link;
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$qs = $qpos !== false ? substr( $original_link, $qpos ) : '';
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if ( $style === 1 ) {
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// suffix style: /postname/zh-xx/
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return user_trailingslashit( trailingslashit( $path ) . $variant ) . $qs;
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}
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// prefix style (2): /zh-xx/postname/
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if ( is_multisite() && wpcc_mobile_exist( 'network' ) ) {
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$sites = get_sites();
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foreach ( $sites as $site ) {
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if ( '/' == $site->path ) {
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continue;
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}
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$path_seg = str_replace( '/', '', $site->path );
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$sub_url = "$site->domain/$path_seg";
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if ( str_contains( $path, $sub_url ) ) {
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return str_replace( $sub_url, "$sub_url/$variant", $path ) . $qs;
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}
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}
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}
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// 默认前缀样式
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$home_url = home_url();
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return str_replace( $home_url, $home_url . '/' . $variant, $original_link );
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}
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/**
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* 从URL中移除语言变体
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*/
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function wpcc_remove_language_from_url( $url ) {
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global $wpcc_options;
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if ( empty( $url ) ) {
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return $url;
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}
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// 获取启用的语言列表
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$enabled = isset( $wpcc_options['wpcc_used_langs'] ) && is_array( $wpcc_options['wpcc_used_langs'] ) ? $wpcc_options['wpcc_used_langs'] : [];
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if ( empty( $enabled ) ) {
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return $url;
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}
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// 移除查询参数中的variant
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$url = remove_query_arg( 'variant', $url );
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// 创建语言变体的正则表达式
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$reg = implode( '|', array_map( 'preg_quote', $enabled ) );
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$variant_regex = '/\/(' . $reg . '|zh|zh-reset)(\/|$)/i';
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// 移除路径中的语言变体
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$parsed = parse_url( $url );
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if ( isset( $parsed['path'] ) ) {
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$path = $parsed['path'];
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$path = preg_replace( $variant_regex, '/', $path );
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$path = rtrim( $path, '/' );
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if ( empty( $path ) ) {
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$path = '/';
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}
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// 重建URL
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$scheme = isset( $parsed['scheme'] ) ? $parsed['scheme'] . '://' : '';
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$host = $parsed['host'] ?? '';
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$port = isset( $parsed['port'] ) ? ':' . $parsed['port'] : '';
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$query = isset( $parsed['query'] ) ? '?' . $parsed['query'] : '';
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$fragment = isset( $parsed['fragment'] ) ? '#' . $parsed['fragment'] : '';
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$url = $scheme . $host . $port . $path . $query . $fragment;
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}
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return $url;
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}
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function custom_sitemap_template_redirect() {
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$uri = isset($_SERVER['REQUEST_URI']) ? (string) $_SERVER['REQUEST_URI'] : '';
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// 动态语言模式：仅允许已启用语言
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$enabled = isset($GLOBALS['wpcc_options']['wpcc_used_langs']) && is_array($GLOBALS['wpcc_options']['wpcc_used_langs']) ? $GLOBALS['wpcc_options']['wpcc_used_langs'] : array('zh-cn','zh-tw','zh-hk');
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$enabled = array_values(array_unique(array_filter($enabled)));
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$pat = implode('|', array_map('preg_quote', $enabled));
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$lang = '';
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if ( $pat !== '' && preg_match( '#/(' . $pat . ')/sitemap\.xml/?$#i', $uri, $matches ) ) {
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$lang = strtolower($matches[1]);
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} elseif ( $pat !== '' && preg_match( '#/(' . $pat . ')/wp-sitemap\.xml/?$#i', $uri, $matches ) ) {
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$lang = strtolower($matches[1]);
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}
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if ( $lang !== '' ) {
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if ( ! in_array( $lang, $enabled, true ) ) {
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status_header( 404 );
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exit;
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}
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header( 'Content-Type: application/xml; charset=utf-8' );
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header( 'HTTP/1.1 200 OK' );
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$content = generate_sitemap_index( $lang );
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echo $content !== '' ? $content : '<?xml version="1.0" encoding="UTF-8"?><error>Sitemap not found</error>';
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exit;
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}
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// 处理文章网站地图
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if ( $pat !== '' && preg_match( '#/sitemap-(' . $pat . ')-(\d+)\.xml/?$#i', $uri, $matches ) ) {
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$lang = strtolower($matches[1]);
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$page = (int) $matches[2];
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if ( ! in_array( $lang, $enabled, true ) ) {
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status_header( 404 );
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exit;
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}
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header( 'Content-Type: application/xml; charset=utf-8' );
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header( 'HTTP/1.1 200 OK' );
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echo generate_paged_sitemap_content( $lang, $page );
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exit;
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}
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// 处理分类网站地图
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if ( $pat !== '' && preg_match( '#/sitemap-taxonomy-([a-zA-Z0-9_]+)-(' . $pat . ')-(\d+)\.xml/?$#i', $uri, $matches ) ) {
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$taxonomy = sanitize_key($matches[1]);
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$lang = strtolower($matches[2]);
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$page = (int) $matches[3];
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if ( ! in_array( $lang, $enabled, true ) ) {
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status_header( 404 );
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exit;
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}
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// 验证分类法是否存在且公开
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if ( ! taxonomy_exists( $taxonomy ) || ! is_taxonomy_viewable( $taxonomy ) ) {
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status_header( 404 );
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exit;
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}
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header( 'Content-Type: application/xml; charset=utf-8' );
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header( 'HTTP/1.1 200 OK' );
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echo generate_taxonomy_sitemap_content( $taxonomy, $lang, $page );
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exit;
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}
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if ( preg_match( '#/sitemap-style\.xsl/?$#i', $uri ) ) {
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header( 'Content-Type: text/xsl; charset=utf-8' );
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header( 'HTTP/1.1 200 OK' );
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echo generate_sitemap_styles();
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exit;
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}
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}
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function generate_sitemap_index( string $lang ) {
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global $wpdb, $wpcc_options;
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// 仅允许启用语言
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$enabled = isset($wpcc_options['wpcc_used_langs']) && is_array($wpcc_options['wpcc_used_langs']) ? $wpcc_options['wpcc_used_langs'] : array('zh-cn','zh-tw');
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if ( ! in_array( $lang, $enabled, true ) ) {
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return '';
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}
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$max_urls_per_sitemap = 1000;
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if ( empty( $wpcc_options['wpcco_sitemap_post_type'] ) ) {
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$post_type = 'post,page';
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} else {
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$post_type = isset($wpcc_options['wpcco_sitemap_post_type']) ? $wpcc_options['wpcco_sitemap_post_type'] : 'post,page';
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}
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$post_type = explode( ',', $post_type );
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$post_type_sql = '';
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foreach ( $post_type as $item ) {
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$post_type_sql .= "'$item',";
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}
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$post_type_sql = substr( $post_type_sql, 0, - 1 );
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$total_posts = $wpdb->get_var( "SELECT COUNT(*) FROM $wpdb->posts WHERE post_type in ($post_type_sql) AND post_status = 'publish'" );
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$total_sitemaps = ceil( $total_posts / $max_urls_per_sitemap );
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$sitemap = '<?xml version="1.0" encoding="UTF-8"?>';
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$sitemap .= '<?xml-stylesheet type="text/xsl" href="' . site_url( '/sitemap-style.xsl' ) . '"?>';
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$sitemap .= '<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">';
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// 添加文章网站地图
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for ( $i = 1; $i <= $total_sitemaps; $i ++ ) {
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$sitemap .= '<sitemap>';
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$sitemap .= '<loc>' . site_url( "/sitemap-{$lang}-{$i}.xml" ) . '</loc>';
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$sitemap .= '<lastmod>' . date( 'Y-m-d' ) . '</lastmod>';
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$sitemap .= '</sitemap>';
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}
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// 添加分类网站地图
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$taxonomies = get_taxonomies( array( 'public' => true ), 'objects' );
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foreach ( $taxonomies as $taxonomy ) {
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// 跳过不需要的分类法
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if ( in_array( $taxonomy->name, array( 'post_format', 'nav_menu' ), true ) ) {
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continue;
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}
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// 获取该分类法的条目数量
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$term_count = wp_count_terms( array(
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'taxonomy' => $taxonomy->name,
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'hide_empty' => true,
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) );
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if ( is_wp_error( $term_count ) || $term_count === 0 ) {
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continue;
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}
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// 计算需要的分页数
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$taxonomy_sitemaps = ceil( $term_count / $max_urls_per_sitemap );
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for ( $i = 1; $i <= $taxonomy_sitemaps; $i ++ ) {
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$sitemap .= '<sitemap>';
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$sitemap .= '<loc>' . site_url( "/sitemap-taxonomy-{$taxonomy->name}-{$lang}-{$i}.xml" ) . '</loc>';
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$sitemap .= '<lastmod>' . date( 'Y-m-d' ) . '</lastmod>';
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$sitemap .= '</sitemap>';
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}
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}
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$sitemap .= '</sitemapindex>';
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return $sitemap;
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}
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function generate_paged_sitemap_content( string $lang, int $page ) {
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global $wpcc_options;
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// 仅允许启用语言
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$enabled = isset($wpcc_options['wpcc_used_langs']) && is_array($wpcc_options['wpcc_used_langs']) ? $wpcc_options['wpcc_used_langs'] : array('zh-cn','zh-tw');
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if ( ! in_array( $lang, $enabled, true ) ) {
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return '<?xml version="1.0" encoding="UTF-8"?><urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" />';
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}
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$max_urls_per_sitemap = 1000;
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if ( empty( $wpcc_options['wpcco_sitemap_post_type'] ) ) {
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$post_type = 'post,page';
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} else {
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$post_type = isset($wpcc_options['wpcco_sitemap_post_type']) ? $wpcc_options['wpcco_sitemap_post_type'] : 'post,page';
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}
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$offset = ( $page - 1 ) * $max_urls_per_sitemap;
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$postsForSitemap = get_posts( array(
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'numberposts' => $max_urls_per_sitemap,
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'orderby' => 'modified',
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'post_type' => explode( ',', $post_type ),
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'order' => 'DESC',
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'offset' => $offset,
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) );
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$sitemap = '<?xml version="1.0" encoding="UTF-8"?>';
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$sitemap .= '<?xml-stylesheet type="text/xsl" href="' . site_url( '/sitemap-style.xsl' ) . '"?>';
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$sitemap .= '<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">';
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foreach ( $postsForSitemap as $post ) {
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setup_postdata( $post );
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$postdate = explode( " ", $post->post_modified );
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$sitemap .= '<url>';
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$sitemap .= '<loc>' . wpcc_sitemap_link_conversion( get_permalink( $post->ID ), $lang ) . '</loc>';
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$sitemap .= '<lastmod>' . $postdate[0] . '</lastmod>';
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$sitemap .= '<changefreq>weekly</changefreq>';
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$sitemap .= '<priority>0.6</priority>';
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$sitemap .= '</url>';
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}
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$sitemap .= '</urlset>';
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return $sitemap;
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}
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function generate_sitemap_styles() {
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return <<<XSL
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<?xml version="1.0" encoding="UTF-8"?>
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<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:sitemap="http://www.sitemaps.org/schemas/sitemap/0.9">
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<xsl:output method="html" version="1.0" encoding="UTF-8" indent="yes"/>
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<xsl:template match="/">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<title>XML Sitemap</title>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<style type="text/css">
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body {
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font-family: Arial, sans-serif;
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margin: 40px;
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background-color: #f5f5f5;
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}
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.header {
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background-color: #fff;
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border: 1px solid #ddd;
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padding: 20px;
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margin-bottom: 20px;
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border-radius: 5px;
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}
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h1 {
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color: #333;
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margin: 0 0 10px 0;
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}
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.description {
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color: #666;
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font-size: 14px;
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}
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.sitemap-content {
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background-color: #fff;
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border: 1px solid #ddd;
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border-radius: 5px;
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overflow: hidden;
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}
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table {
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width: 100%;
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border-collapse: collapse;
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}
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th {
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background-color: #f8f9fa;
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padding: 12px;
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text-align: left;
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border-bottom: 1px solid #ddd;
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font-weight: bold;
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color: #333;
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}
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td {
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padding: 12px;
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border-bottom: 1px solid #eee;
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}
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tr:hover {
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background-color: #f8f9fa;
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}
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.url {
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color: #1a73e8;
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text-decoration: none;
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word-break: break-all;
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}
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.url:hover {
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text-decoration: underline;
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}
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.lastmod {
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color: #666;
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font-size: 13px;
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}
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.priority {
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color: #666;
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font-size: 13px;
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}
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.changefreq {
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color: #666;
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font-size: 13px;
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}
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</style>
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</head>
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<body>
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<div class="header">
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<h1>XML Sitemap</h1>
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<div class="description">
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This is a XML Sitemap which is supposed to be processed by search engines like Google, MSN Search and Yahoo.
|
||
</div>
|
||
</div>
|
||
|
||
<div class="sitemap-content">
|
||
<xsl:choose>
|
||
<xsl:when test="sitemap:sitemapindex">
|
||
<table>
|
||
<tr>
|
||
<th>Sitemap</th>
|
||
<th>Last Modified</th>
|
||
</tr>
|
||
<xsl:for-each select="sitemap:sitemapindex/sitemap:sitemap">
|
||
<tr>
|
||
<td>
|
||
<a href="{sitemap:loc}" class="url">
|
||
<xsl:value-of select="sitemap:loc"/>
|
||
</a>
|
||
</td>
|
||
<td class="lastmod">
|
||
<xsl:value-of select="sitemap:lastmod"/>
|
||
</td>
|
||
</tr>
|
||
</xsl:for-each>
|
||
</table>
|
||
</xsl:when>
|
||
<xsl:otherwise>
|
||
<table>
|
||
<tr>
|
||
<th>URL</th>
|
||
<th>Last Modified</th>
|
||
<th>Change Frequency</th>
|
||
<th>Priority</th>
|
||
</tr>
|
||
<xsl:for-each select="sitemap:urlset/sitemap:url">
|
||
<tr>
|
||
<td>
|
||
<a href="{sitemap:loc}" class="url">
|
||
<xsl:value-of select="sitemap:loc"/>
|
||
</a>
|
||
</td>
|
||
<td class="lastmod">
|
||
<xsl:value-of select="sitemap:lastmod"/>
|
||
</td>
|
||
<td class="changefreq">
|
||
<xsl:value-of select="sitemap:changefreq"/>
|
||
</td>
|
||
<td class="priority">
|
||
<xsl:value-of select="sitemap:priority"/>
|
||
</td>
|
||
</tr>
|
||
</xsl:for-each>
|
||
</table>
|
||
</xsl:otherwise>
|
||
</xsl:choose>
|
||
</div>
|
||
</body>
|
||
</html>
|
||
</xsl:template>
|
||
</xsl:stylesheet>
|
||
XSL;
|
||
}
|
||
|
||
/**
|
||
* 生成分类网站地图内容
|
||
*
|
||
* @param string $taxonomy 分类法名称
|
||
* @param string $lang 语言代码
|
||
* @param int $page 页码
|
||
* @return string XML内容
|
||
*/
|
||
function generate_taxonomy_sitemap_content( string $taxonomy, string $lang, int $page ) {
|
||
global $wpcc_options;
|
||
|
||
// 仅允许启用语言
|
||
$enabled = isset($wpcc_options['wpcc_used_langs']) && is_array($wpcc_options['wpcc_used_langs']) ? $wpcc_options['wpcc_used_langs'] : array('zh-cn','zh-tw');
|
||
if ( ! in_array( $lang, $enabled, true ) ) {
|
||
return '<?xml version="1.0" encoding="UTF-8"?><urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" />';
|
||
}
|
||
|
||
// 验证分类法
|
||
if ( ! taxonomy_exists( $taxonomy ) || ! is_taxonomy_viewable( $taxonomy ) ) {
|
||
return '<?xml version="1.0" encoding="UTF-8"?><urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" />';
|
||
}
|
||
|
||
$max_urls_per_sitemap = 1000;
|
||
$offset = ( $page - 1 ) * $max_urls_per_sitemap;
|
||
|
||
// 获取分类条目
|
||
$terms = get_terms( array(
|
||
'taxonomy' => $taxonomy,
|
||
'hide_empty' => true,
|
||
'number' => $max_urls_per_sitemap,
|
||
'offset' => $offset,
|
||
'orderby' => 'count',
|
||
'order' => 'DESC',
|
||
) );
|
||
|
||
if ( is_wp_error( $terms ) || empty( $terms ) ) {
|
||
return '<?xml version="1.0" encoding="UTF-8"?><urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" />';
|
||
}
|
||
|
||
$sitemap = '<?xml version="1.0" encoding="UTF-8"?>';
|
||
$sitemap .= '<?xml-stylesheet type="text/xsl" href="' . site_url( '/sitemap-style.xsl' ) . '"?>';
|
||
$sitemap .= '<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">';
|
||
|
||
foreach ( $terms as $term ) {
|
||
// 检查是否应该索引此条目
|
||
if ( ! wpcc_should_index_term( $term ) ) {
|
||
continue;
|
||
}
|
||
|
||
$term_link = get_term_link( $term, $taxonomy );
|
||
if ( is_wp_error( $term_link ) ) {
|
||
continue;
|
||
}
|
||
|
||
// 转换链接到指定语言
|
||
$converted_link = wpcc_sitemap_link_conversion( $term_link, $lang );
|
||
|
||
$sitemap .= '<url>';
|
||
$sitemap .= '<loc>' . esc_url( $converted_link ) . '</loc>';
|
||
$sitemap .= '<lastmod>' . date( 'Y-m-d' ) . '</lastmod>';
|
||
$sitemap .= '<changefreq>weekly</changefreq>';
|
||
$sitemap .= '<priority>0.5</priority>';
|
||
$sitemap .= '</url>';
|
||
}
|
||
|
||
$sitemap .= '</urlset>';
|
||
|
||
return $sitemap;
|
||
}
|
||
|
||
/**
|
||
* 检查是否应该索引分类条目
|
||
*
|
||
* @param WP_Term $term 分类条目
|
||
* @return bool
|
||
*/
|
||
function wpcc_should_index_term( $term ) {
|
||
// 可以在这里添加更多的检查逻辑
|
||
// 例如检查条目的元数据中是否有 noindex 标记
|
||
|
||
// 基本检查：确保条目有内容
|
||
if ( $term->count === 0 ) {
|
||
return false;
|
||
}
|
||
|
||
// 可以添加自定义过滤器让其他插件或主题控制
|
||
return apply_filters( 'wpcc_should_index_term', true, $term );
|
||
}
|
||
|
||
?>
|
